Segment DE has end points at D (2,-8) and (-4,4). if it's dilated about the origin by a factor of 4 . What is the length of DE

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?